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<a name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a name="2" href="#2">2</a>   <em class="jxr_comment"> * Copyright 2008-2010 Digital Enterprise Research Institute (DERI)</em>
<a name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a name="4" href="#4">4</a>   <em class="jxr_comment"> * Licensed under the Apache License, Version 2.0 (the "License");</em>
<a name="5" href="#5">5</a>   <em class="jxr_comment"> * you may not use this file except in compliance with the License.</em>
<a name="6" href="#6">6</a>   <em class="jxr_comment"> * You may obtain a copy of the License at</em>
<a name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a name="8" href="#8">8</a>   <em class="jxr_comment"> *     <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a name="10" href="#10">10</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a name="11" href="#11">11</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a name="12" href="#12">12</a>  <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a name="13" href="#13">13</a>  <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
<a name="14" href="#14">14</a>  <em class="jxr_comment"> * limitations under the License.</em>
<a name="15" href="#15">15</a>  <em class="jxr_comment"> */</em>
<a name="16" href="#16">16</a>  
<a name="17" href="#17">17</a>  <strong class="jxr_keyword">package</strong> org.sindice.rdfcommons.beanmapper;
<a name="18" href="#18">18</a>  
<a name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> org.sindice.rdfcommons.beanmapper.annotations.Type;
<a name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> org.sindice.rdfcommons.model.Literal;
<a name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> org.sindice.rdfcommons.model.Triple;
<a name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> org.sindice.rdfcommons.model.TripleSet;
<a name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> org.sindice.rdfcommons.beanmapper.annotations.Id;
<a name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> org.sindice.rdfcommons.beanmapper.annotations.Ignore;
<a name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> org.sindice.rdfcommons.beanmapper.annotations.Namespace;
<a name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> org.sindice.rdfcommons.beanmapper.annotations.Property;
<a name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> org.sindice.rdfcommons.vocabulary.SerializerVocabulary;
<a name="28" href="#28">28</a>  
<a name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> java.lang.annotation.Annotation;
<a name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> java.lang.reflect.Method;
<a name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> java.net.MalformedURLException;
<a name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> java.net.URL;
<a name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> java.text.ParseException;
<a name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong> java.text.SimpleDateFormat;
<a name="35" href="#35">35</a>  <strong class="jxr_keyword">import</strong> java.util.Date;
<a name="36" href="#36">36</a>  
<a name="37" href="#37">37</a>  <em class="jxr_javadoccomment">/**</em>
<a name="38" href="#38">38</a>  <em class="jxr_javadoccomment"> * @author Michele Mostarda ( mostarda@fbk.eu )</em>
<a name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> * @version $Id: BaseMapper.java 36 2010-12-02 19:05:57Z michele.mostarda $</em>
<a name="40" href="#40">40</a>  <em class="jxr_javadoccomment"> */</em>
<a name="41" href="#41">41</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/sindice/rdfcommons/beanmapper/BaseMapper.html">BaseMapper</a> {
<a name="42" href="#42">42</a>  
<a name="43" href="#43">43</a>      <em class="jxr_javadoccomment">/**</em>
<a name="44" href="#44">44</a>  <em class="jxr_javadoccomment">     * Formatting utility used to serialize / deserialize dates.</em>
<a name="45" href="#45">45</a>  <em class="jxr_javadoccomment">     */</em>
<a name="46" href="#46">46</a>      <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> SimpleDateFormat simpleDateFormat = <strong class="jxr_keyword">new</strong> SimpleDateFormat(<span class="jxr_string">"EEE MMM dd HH:mm:ss zzz yyyy"</span>);
<a name="47" href="#47">47</a>  
<a name="48" href="#48">48</a>      <em class="jxr_javadoccomment">/**</em>
<a name="49" href="#49">49</a>  <em class="jxr_javadoccomment">     * The null value.</em>
<a name="50" href="#50">50</a>  <em class="jxr_javadoccomment">     */</em>
<a name="51" href="#51">51</a>      <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String NULL_VALUE = <span class="jxr_string">"null"</span>;
<a name="52" href="#52">52</a>  
<a name="53" href="#53">53</a>      <em class="jxr_javadoccomment">/**</em>
<a name="54" href="#54">54</a>  <em class="jxr_javadoccomment">     * List of primitive types.</em>
<a name="55" href="#55">55</a>  <em class="jxr_javadoccomment">     */</em>
<a name="56" href="#56">56</a>      <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Class[] PRIMITIVE_TIPES = <strong class="jxr_keyword">new</strong> Class[]{
<a name="57" href="#57">57</a>              String.<strong class="jxr_keyword">class</strong>,  
<a name="58" href="#58">58</a>              Boolean.<strong class="jxr_keyword">class</strong>, <strong class="jxr_keyword">boolean</strong>.<strong class="jxr_keyword">class</strong>,
<a name="59" href="#59">59</a>              Short.<strong class="jxr_keyword">class</strong>,   <strong class="jxr_keyword">short</strong>.<strong class="jxr_keyword">class</strong>,
<a name="60" href="#60">60</a>              Integer.<strong class="jxr_keyword">class</strong>, <strong class="jxr_keyword">int</strong>.<strong class="jxr_keyword">class</strong>,
<a name="61" href="#61">61</a>              Long.<strong class="jxr_keyword">class</strong>,    <strong class="jxr_keyword">long</strong>.<strong class="jxr_keyword">class</strong>,
<a name="62" href="#62">62</a>              Float.<strong class="jxr_keyword">class</strong>,   <strong class="jxr_keyword">float</strong>.<strong class="jxr_keyword">class</strong>,
<a name="63" href="#63">63</a>              Double.<strong class="jxr_keyword">class</strong>,  <strong class="jxr_keyword">double</strong>.<strong class="jxr_keyword">class</strong>,
<a name="64" href="#64">64</a>              Date.<strong class="jxr_keyword">class</strong>,
<a name="65" href="#65">65</a>              URL.<strong class="jxr_keyword">class</strong>
<a name="66" href="#66">66</a>      };
<a name="67" href="#67">67</a>  
<a name="68" href="#68">68</a>      <em class="jxr_javadoccomment">/**</em>
<a name="69" href="#69">69</a>  <em class="jxr_javadoccomment">     * Returns the list of annotations associated to the given object.</em>
<a name="70" href="#70">70</a>  <em class="jxr_javadoccomment">     *</em>
<a name="71" href="#71">71</a>  <em class="jxr_javadoccomment">     * @param o</em>
<a name="72" href="#72">72</a>  <em class="jxr_javadoccomment">     * @return list of annotations.</em>
<a name="73" href="#73">73</a>  <em class="jxr_javadoccomment">     */</em>
<a name="74" href="#74">74</a>      <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> Annotation[] getAnnotations(Object o) {
<a name="75" href="#75">75</a>          Class clazz = o.getClass();
<a name="76" href="#76">76</a>          <strong class="jxr_keyword">return</strong> clazz.getAnnotations();
<a name="77" href="#77">77</a>      }
<a name="78" href="#78">78</a>  
<a name="79" href="#79">79</a>      <em class="jxr_javadoccomment">/**</em>
<a name="80" href="#80">80</a>  <em class="jxr_javadoccomment">     * Returns the list of annotations associated to the given method.</em>
<a name="81" href="#81">81</a>  <em class="jxr_javadoccomment">     *</em>
<a name="82" href="#82">82</a>  <em class="jxr_javadoccomment">     * @param m</em>
<a name="83" href="#83">83</a>  <em class="jxr_javadoccomment">     * @return list of methods.</em>
<a name="84" href="#84">84</a>  <em class="jxr_javadoccomment">     */</em>
<a name="85" href="#85">85</a>      <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> Annotation[] getAnnotations(Method m) {
<a name="86" href="#86">86</a>          <strong class="jxr_keyword">return</strong> m.getAnnotations();
<a name="87" href="#87">87</a>      }
<a name="88" href="#88">88</a>  
<a name="89" href="#89">89</a>      <em class="jxr_javadoccomment">/**</em>
<a name="90" href="#90">90</a>  <em class="jxr_javadoccomment">     * Checks whether the method has to be ignored.</em>
<a name="91" href="#91">91</a>  <em class="jxr_javadoccomment">     *</em>
<a name="92" href="#92">92</a>  <em class="jxr_javadoccomment">     * @param method</em>
<a name="93" href="#93">93</a>  <em class="jxr_javadoccomment">     * @return &lt;code&gt;true&lt;/code&gt; if ignored, &lt;code&gt;false&lt;/code&gt; otherwise.</em>
<a name="94" href="#94">94</a>  <em class="jxr_javadoccomment">     */</em>
<a name="95" href="#95">95</a>      <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> isIgnored(Method method) {
<a name="96" href="#96">96</a>          <strong class="jxr_keyword">for</strong>(Annotation a : method.getAnnotations()) {
<a name="97" href="#97">97</a>              <strong class="jxr_keyword">if</strong>(a.annotationType().equals(Ignore.<strong class="jxr_keyword">class</strong>)) {
<a name="98" href="#98">98</a>                  <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a name="99" href="#99">99</a>              }
<a name="100" href="#100">100</a>         }
<a name="101" href="#101">101</a>         <strong class="jxr_keyword">return</strong> false;
<a name="102" href="#102">102</a>     }
<a name="103" href="#103">103</a> 
<a name="104" href="#104">104</a>     <em class="jxr_javadoccomment">/**</em>
<a name="105" href="#105">105</a> <em class="jxr_javadoccomment">     * Checks wether a class is representing a primitive type or not.</em>
<a name="106" href="#106">106</a> <em class="jxr_javadoccomment">     *</em>
<a name="107" href="#107">107</a> <em class="jxr_javadoccomment">     * @param in the class of the type.</em>
<a name="108" href="#108">108</a> <em class="jxr_javadoccomment">     * @return &lt;code&gt;true&lt;/code&gt; if the type is primitive, &lt;code&gt;false&lt;/code&gt; otherwise.</em>
<a name="109" href="#109">109</a> <em class="jxr_javadoccomment">     */</em>
<a name="110" href="#110">110</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> isPrimitive(Class in) {
<a name="111" href="#111">111</a>         <strong class="jxr_keyword">if</strong>(definesInterface(in, Literal.<strong class="jxr_keyword">class</strong>)) {
<a name="112" href="#112">112</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a name="113" href="#113">113</a>         }
<a name="114" href="#114">114</a>         <strong class="jxr_keyword">for</strong>(Class clazz : PRIMITIVE_TIPES) {
<a name="115" href="#115">115</a>             <strong class="jxr_keyword">if</strong>( clazz.equals(in) ) {
<a name="116" href="#116">116</a>                 <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a name="117" href="#117">117</a>             }
<a name="118" href="#118">118</a>         }
<a name="119" href="#119">119</a>         <strong class="jxr_keyword">return</strong> false;
<a name="120" href="#120">120</a>     }
<a name="121" href="#121">121</a> 
<a name="122" href="#122">122</a>      <em class="jxr_javadoccomment">/**</em>
<a name="123" href="#123">123</a> <em class="jxr_javadoccomment">     * Checks wether an object is representing a primitive type or not.</em>
<a name="124" href="#124">124</a> <em class="jxr_javadoccomment">     *</em>
<a name="125" href="#125">125</a> <em class="jxr_javadoccomment">     * @param o the type instance.</em>
<a name="126" href="#126">126</a> <em class="jxr_javadoccomment">     * @return &lt;code&gt;true&lt;/code&gt; if the object is primitive, &lt;code&gt;false&lt;/code&gt; otherwise.</em>
<a name="127" href="#127">127</a> <em class="jxr_javadoccomment">     */</em>
<a name="128" href="#128">128</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> isPrimitive(Object o) {
<a name="129" href="#129">129</a>         <strong class="jxr_keyword">return</strong> isPrimitive( o.getClass() );
<a name="130" href="#130">130</a>     }
<a name="131" href="#131">131</a> 
<a name="132" href="#132">132</a>     <em class="jxr_javadoccomment">/**</em>
<a name="133" href="#133">133</a> <em class="jxr_javadoccomment">     * Converts the primitive to a literal.</em>
<a name="134" href="#134">134</a> <em class="jxr_javadoccomment">     *</em>
<a name="135" href="#135">135</a> <em class="jxr_javadoccomment">     * @param obj</em>
<a name="136" href="#136">136</a> <em class="jxr_javadoccomment">     * @return string representation of literal.</em>
<a name="137" href="#137">137</a> <em class="jxr_javadoccomment">     */</em>
<a name="138" href="#138">138</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> Object primitiveAsLiteral(Object obj) {
<a name="139" href="#139">139</a>         <strong class="jxr_keyword">return</strong> obj == <strong class="jxr_keyword">null</strong> ? NULL_VALUE : obj;
<a name="140" href="#140">140</a>     }
<a name="141" href="#141">141</a> 
<a name="142" href="#142">142</a>     <em class="jxr_javadoccomment">/**</em>
<a name="143" href="#143">143</a> <em class="jxr_javadoccomment">     * Converts a literal string to the given type.</em>
<a name="144" href="#144">144</a> <em class="jxr_javadoccomment">     *</em>
<a name="145" href="#145">145</a> <em class="jxr_javadoccomment">     * @param literal the literal to be converted.</em>
<a name="146" href="#146">146</a> <em class="jxr_javadoccomment">     * @param type the destination type.</em>
<a name="147" href="#147">147</a> <em class="jxr_javadoccomment">     * @return the converted value.</em>
<a name="148" href="#148">148</a> <em class="jxr_javadoccomment">     * @throws IllegalArgumentException if a conversion error occurs.</em>
<a name="149" href="#149">149</a> <em class="jxr_javadoccomment">     * @throws IllegalArgumentException if the given &lt;i&gt;type&lt;/i&gt; is not supported.</em>
<a name="150" href="#150">150</a> <em class="jxr_javadoccomment">     */</em>
<a name="151" href="#151">151</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> Object literalAsPrimitive(String literal, Class type) {
<a name="152" href="#152">152</a>         <strong class="jxr_keyword">if</strong>(String.<strong class="jxr_keyword">class</strong>.equals(type)) {
<a name="153" href="#153">153</a>             <strong class="jxr_keyword">return</strong> literal;
<a name="154" href="#154">154</a>         }
<a name="155" href="#155">155</a>         <strong class="jxr_keyword">if</strong>(Boolean.<strong class="jxr_keyword">class</strong>.equals(type) || <strong class="jxr_keyword">boolean</strong>.<strong class="jxr_keyword">class</strong>.equals(type)) {
<a name="156" href="#156">156</a>             <strong class="jxr_keyword">return</strong> Boolean.parseBoolean(literal);
<a name="157" href="#157">157</a>         }
<a name="158" href="#158">158</a>         <strong class="jxr_keyword">if</strong>(Short.<strong class="jxr_keyword">class</strong>.equals(type) || <strong class="jxr_keyword">short</strong>.<strong class="jxr_keyword">class</strong>.equals(type)) {
<a name="159" href="#159">159</a>             <strong class="jxr_keyword">return</strong> Short.parseShort(literal);
<a name="160" href="#160">160</a>         }
<a name="161" href="#161">161</a>         <strong class="jxr_keyword">if</strong>(Integer.<strong class="jxr_keyword">class</strong>.equals(type) || <strong class="jxr_keyword">int</strong>.<strong class="jxr_keyword">class</strong>.equals(type)) {
<a name="162" href="#162">162</a>             <strong class="jxr_keyword">return</strong> Integer.parseInt(literal);
<a name="163" href="#163">163</a>         }
<a name="164" href="#164">164</a>         <strong class="jxr_keyword">if</strong>(Long.<strong class="jxr_keyword">class</strong>.equals(type) || <strong class="jxr_keyword">long</strong>.<strong class="jxr_keyword">class</strong>.equals(type)) {
<a name="165" href="#165">165</a>             <strong class="jxr_keyword">return</strong> Long.parseLong(literal);
<a name="166" href="#166">166</a>         }
<a name="167" href="#167">167</a>         <strong class="jxr_keyword">if</strong>(Float.<strong class="jxr_keyword">class</strong>.equals(type) || <strong class="jxr_keyword">float</strong>.<strong class="jxr_keyword">class</strong>.equals(type)) {
<a name="168" href="#168">168</a>             <strong class="jxr_keyword">return</strong> Float.parseFloat(literal);
<a name="169" href="#169">169</a>         }
<a name="170" href="#170">170</a>         <strong class="jxr_keyword">if</strong>(Double.<strong class="jxr_keyword">class</strong>.equals(type) || <strong class="jxr_keyword">double</strong>.<strong class="jxr_keyword">class</strong>.equals(type)) {
<a name="171" href="#171">171</a>             <strong class="jxr_keyword">return</strong> Double.parseDouble(literal);
<a name="172" href="#172">172</a>         }
<a name="173" href="#173">173</a>         <strong class="jxr_keyword">if</strong>(Date.<strong class="jxr_keyword">class</strong>.equals(type)) {
<a name="174" href="#174">174</a>             <strong class="jxr_keyword">try</strong> {
<a name="175" href="#175">175</a>                 <strong class="jxr_keyword">return</strong> simpleDateFormat.parse(literal);
<a name="176" href="#176">176</a>             } <strong class="jxr_keyword">catch</strong> (ParseException e) {
<a name="177" href="#177">177</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException( String.format(<span class="jxr_string">"Expected a Date for literal '%s'."</span>, literal) );
<a name="178" href="#178">178</a>             }
<a name="179" href="#179">179</a>         }
<a name="180" href="#180">180</a>         <strong class="jxr_keyword">if</strong>(URL.<strong class="jxr_keyword">class</strong>.equals(type)) {
<a name="181" href="#181">181</a>             <strong class="jxr_keyword">try</strong> {
<a name="182" href="#182">182</a>                 <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> URL(literal);
<a name="183" href="#183">183</a>             } <strong class="jxr_keyword">catch</strong> (MalformedURLException murle) {
<a name="184" href="#184">184</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException( String.format(<span class="jxr_string">"Expected a URL for literal '%s'."</span>, literal) );
<a name="185" href="#185">185</a>             }
<a name="186" href="#186">186</a>         }
<a name="187" href="#187">187</a>         <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException(
<a name="188" href="#188">188</a>                 String.format(<span class="jxr_string">"Cannot convert literal %s to type %s"</span>, literal, type)
<a name="189" href="#189">189</a>         );
<a name="190" href="#190">190</a>     }
<a name="191" href="#191">191</a> 
<a name="192" href="#192">192</a>     <em class="jxr_javadoccomment">/**</em>
<a name="193" href="#193">193</a> <em class="jxr_javadoccomment">     * Returns the URL representing the class.</em>
<a name="194" href="#194">194</a> <em class="jxr_javadoccomment">     *</em>
<a name="195" href="#195">195</a> <em class="jxr_javadoccomment">     * @param clazz</em>
<a name="196" href="#196">196</a> <em class="jxr_javadoccomment">     * @return URL string representing the class and package.</em>
<a name="197" href="#197">197</a> <em class="jxr_javadoccomment">     */</em>
<a name="198" href="#198">198</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> String getClassURL(Class clazz) {
<a name="199" href="#199">199</a>         String subject = findSubjectAnnotation(clazz);
<a name="200" href="#200">200</a>         <strong class="jxr_keyword">if</strong>(subject != <strong class="jxr_keyword">null</strong>) {
<a name="201" href="#201">201</a>             <strong class="jxr_keyword">return</strong> subject;
<a name="202" href="#202">202</a>         }
<a name="203" href="#203">203</a>         String packageName = clazz.getPackage() != <strong class="jxr_keyword">null</strong> ? clazz.getPackage().getName() : <span class="jxr_string">""</span>;
<a name="204" href="#204">204</a>         <strong class="jxr_keyword">return</strong> String.format(<span class="jxr_string">"http://%s/%s"</span>, packageName, clazz.getSimpleName());
<a name="205" href="#205">205</a>     }
<a name="206" href="#206">206</a> 
<a name="207" href="#207">207</a>     <em class="jxr_javadoccomment">/**</em>
<a name="208" href="#208">208</a> <em class="jxr_javadoccomment">     * Generates the URL representing an instance URL.</em>
<a name="209" href="#209">209</a> <em class="jxr_javadoccomment">     *</em>
<a name="210" href="#210">210</a> <em class="jxr_javadoccomment">     * @param o object to be URLified.</em>
<a name="211" href="#211">211</a> <em class="jxr_javadoccomment">     * @return string containing URL.</em>
<a name="212" href="#212">212</a> <em class="jxr_javadoccomment">     */</em>
<a name="213" href="#213">213</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> String getObjectURL(Object o) {
<a name="214" href="#214">214</a>         Method target = <strong class="jxr_keyword">null</strong>;
<a name="215" href="#215">215</a>         <strong class="jxr_keyword">for</strong>(Method method : o.getClass().getMethods()) {
<a name="216" href="#216">216</a>             <strong class="jxr_keyword">if</strong>(method.getAnnotation(Id.<strong class="jxr_keyword">class</strong>) != <strong class="jxr_keyword">null</strong>) {
<a name="217" href="#217">217</a>                 target = method;
<a name="218" href="#218">218</a>                 <strong class="jxr_keyword">break</strong>;
<a name="219" href="#219">219</a>             }
<a name="220" href="#220">220</a>         }
<a name="221" href="#221">221</a> 
<a name="222" href="#222">222</a>         <strong class="jxr_keyword">if</strong>(target == <strong class="jxr_keyword">null</strong>) {
<a name="223" href="#223">223</a>             <strong class="jxr_keyword">return</strong> String.format(<span class="jxr_string">"%s#%s"</span>, SerializerVocabulary.INSTANCE, Integer.toHexString( o.hashCode()) );
<a name="224" href="#224">224</a>         }
<a name="225" href="#225">225</a> 
<a name="226" href="#226">226</a>         <strong class="jxr_keyword">if</strong>(target.getParameterTypes().length != 0) {
<a name="227" href="#227">227</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(
<a name="228" href="#228">228</a>                     <span class="jxr_string">"The method "</span> + target + <span class="jxr_string">" to be annotated with "</span> + Id.<strong class="jxr_keyword">class</strong> + <span class="jxr_string">" must accept 0 parameters."</span>
<a name="229" href="#229">229</a>             );
<a name="230" href="#230">230</a>         }
<a name="231" href="#231">231</a>         <strong class="jxr_keyword">try</strong> {
<a name="232" href="#232">232</a>             <strong class="jxr_keyword">return</strong> target.invoke(o).toString();
<a name="233" href="#233">233</a>         } <strong class="jxr_keyword">catch</strong> (Exception e) {
<a name="234" href="#234">234</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> RuntimeException(<span class="jxr_string">"Error while retrieving object identifier from method "</span> + target, e);
<a name="235" href="#235">235</a>         }
<a name="236" href="#236">236</a>     }
<a name="237" href="#237">237</a> 
<a name="238" href="#238">238</a>     <em class="jxr_javadoccomment">/**</em>
<a name="239" href="#239">239</a> <em class="jxr_javadoccomment">     * Returns the URL representing a property.</em>
<a name="240" href="#240">240</a> <em class="jxr_javadoccomment">     *</em>
<a name="241" href="#241">241</a> <em class="jxr_javadoccomment">     * @param classUrl</em>
<a name="242" href="#242">242</a> <em class="jxr_javadoccomment">     * @param property</em>
<a name="243" href="#243">243</a> <em class="jxr_javadoccomment">     * @param method the method associated to the property.</em>
<a name="244" href="#244">244</a> <em class="jxr_javadoccomment">     * @return URL string representing property.</em>
<a name="245" href="#245">245</a> <em class="jxr_javadoccomment">     */</em>
<a name="246" href="#246">246</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> String getPropertyURL(String classUrl, String property, Method method) {
<a name="247" href="#247">247</a>         String propertyAnnotation = findPropertyAnnotation(method);
<a name="248" href="#248">248</a>         <strong class="jxr_keyword">if</strong>(propertyAnnotation != <strong class="jxr_keyword">null</strong>) {
<a name="249" href="#249">249</a>             <strong class="jxr_keyword">return</strong> propertyAnnotation;
<a name="250" href="#250">250</a>         }
<a name="251" href="#251">251</a>         String namespaceAnnotation = findNamespaceAnnotation( method.getDeclaringClass() );
<a name="252" href="#252">252</a>         <strong class="jxr_keyword">if</strong>(namespaceAnnotation != <strong class="jxr_keyword">null</strong>) {
<a name="253" href="#253">253</a>             <strong class="jxr_keyword">return</strong> String.format(<span class="jxr_string">"%s/%s"</span>, namespaceAnnotation, property);
<a name="254" href="#254">254</a>         }
<a name="255" href="#255">255</a>         <strong class="jxr_keyword">return</strong> String.format(<span class="jxr_string">"%s#%s"</span>, classUrl, property);
<a name="256" href="#256">256</a>     }
<a name="257" href="#257">257</a> 
<a name="258" href="#258">258</a>     <em class="jxr_javadoccomment">/**</em>
<a name="259" href="#259">259</a> <em class="jxr_javadoccomment">     * Returns the appropriate URL for the given serialized key.</em>
<a name="260" href="#260">260</a> <em class="jxr_javadoccomment">     *</em>
<a name="261" href="#261">261</a> <em class="jxr_javadoccomment">     * @param key key object ot be serialized.</em>
<a name="262" href="#262">262</a> <em class="jxr_javadoccomment">     * @param buffer buffer to serialize key if it is not an URL.</em>
<a name="263" href="#263">263</a> <em class="jxr_javadoccomment">     * @return the URL representing the urified key.</em>
<a name="264" href="#264">264</a> <em class="jxr_javadoccomment">     */</em>
<a name="265" href="#265">265</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> String urifyKey(<a href="../../../../org/sindice/rdfcommons/beanmapper/Identifier.html">Identifier</a> key, <a href="../../../../org/sindice/rdfcommons/model/TripleSet.html">TripleSet</a> buffer) {
<a name="266" href="#266">266</a>         <strong class="jxr_keyword">if</strong>(key.isLiteral()) {
<a name="267" href="#267">267</a>             <strong class="jxr_keyword">return</strong> buffer.addBNodeSubjectTriple(SerializerVocabulary.KEY, key.getId(), Triple.ObjectType.literal);
<a name="268" href="#268">268</a>         } <strong class="jxr_keyword">else</strong> {
<a name="269" href="#269">269</a>             <strong class="jxr_keyword">return</strong> (String) key.getId();
<a name="270" href="#270">270</a>         }
<a name="271" href="#271">271</a>     }
<a name="272" href="#272">272</a> 
<a name="273" href="#273">273</a>     <em class="jxr_javadoccomment">/**</em>
<a name="274" href="#274">274</a> <em class="jxr_javadoccomment">     * Finds an interface in the class hierarchy.</em>
<a name="275" href="#275">275</a> <em class="jxr_javadoccomment">     *</em>
<a name="276" href="#276">276</a> <em class="jxr_javadoccomment">     * @param clazz</em>
<a name="277" href="#277">277</a> <em class="jxr_javadoccomment">     * @param target</em>
<a name="278" href="#278">278</a> <em class="jxr_javadoccomment">     * @return &lt;code&gt;true&lt;/code&gt; if the interface is found, &lt;code&gt;false&lt;/code&gt; otherwise.</em>
<a name="279" href="#279">279</a> <em class="jxr_javadoccomment">     */</em>
<a name="280" href="#280">280</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> definesInterface(Class clazz, Class target) {
<a name="281" href="#281">281</a>         <strong class="jxr_keyword">return</strong> target.isAssignableFrom(clazz);
<a name="282" href="#282">282</a>     }
<a name="283" href="#283">283</a> 
<a name="284" href="#284">284</a>     <em class="jxr_javadoccomment">/**</em>
<a name="285" href="#285">285</a> <em class="jxr_javadoccomment">     * Finds an annotation in the class hierarchy.</em>
<a name="286" href="#286">286</a> <em class="jxr_javadoccomment">     *</em>
<a name="287" href="#287">287</a> <em class="jxr_javadoccomment">     * @param annotations</em>
<a name="288" href="#288">288</a> <em class="jxr_javadoccomment">     * @param target</em>
<a name="289" href="#289">289</a> <em class="jxr_javadoccomment">     * @return &lt;code&gt;true&lt;/code&gt; if the annotation is found, &lt;code&gt;false&lt;/code&gt; otherwise.</em>
<a name="290" href="#290">290</a> <em class="jxr_javadoccomment">     */</em>
<a name="291" href="#291">291</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> definesAnnotation(Annotation[] annotations, Class&lt;? <strong class="jxr_keyword">extends</strong> Annotation&gt; target) {
<a name="292" href="#292">292</a>         <strong class="jxr_keyword">for</strong>(Annotation annotation : annotations) {
<a name="293" href="#293">293</a>             <strong class="jxr_keyword">if</strong>(annotation.annotationType().equals(target)) {
<a name="294" href="#294">294</a>                 <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a name="295" href="#295">295</a>             }
<a name="296" href="#296">296</a>         }
<a name="297" href="#297">297</a>         <strong class="jxr_keyword">return</strong> false;
<a name="298" href="#298">298</a>     }
<a name="299" href="#299">299</a> 
<a name="300" href="#300">300</a>     <em class="jxr_javadoccomment">/**</em>
<a name="301" href="#301">301</a> <em class="jxr_javadoccomment">     * Finds an annotation in the given list.</em>
<a name="302" href="#302">302</a> <em class="jxr_javadoccomment">     *</em>
<a name="303" href="#303">303</a> <em class="jxr_javadoccomment">     * @param annotations</em>
<a name="304" href="#304">304</a> <em class="jxr_javadoccomment">     * @param target</em>
<a name="305" href="#305">305</a> <em class="jxr_javadoccomment">     * @return the annotation if found, &lt;code&gt;null&lt;/code&gt; otherwise.</em>
<a name="306" href="#306">306</a> <em class="jxr_javadoccomment">     */</em>
<a name="307" href="#307">307</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> Annotation findAnnotation(Annotation[] annotations, Class&lt;? <strong class="jxr_keyword">extends</strong> Annotation&gt; target) {
<a name="308" href="#308">308</a>         <strong class="jxr_keyword">for</strong>(Annotation annotation : annotations) {
<a name="309" href="#309">309</a>             <strong class="jxr_keyword">if</strong>(annotation.annotationType().equals(target)) {
<a name="310" href="#310">310</a>                 <strong class="jxr_keyword">return</strong> annotation;
<a name="311" href="#311">311</a>             }
<a name="312" href="#312">312</a>         }
<a name="313" href="#313">313</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a name="314" href="#314">314</a>     }
<a name="315" href="#315">315</a> 
<a name="316" href="#316">316</a>     <em class="jxr_javadoccomment">/**</em>
<a name="317" href="#317">317</a> <em class="jxr_javadoccomment">     * Finds a specific annotation in a method.</em>
<a name="318" href="#318">318</a> <em class="jxr_javadoccomment">     *</em>
<a name="319" href="#319">319</a> <em class="jxr_javadoccomment">     * @param method</em>
<a name="320" href="#320">320</a> <em class="jxr_javadoccomment">     * @param target</em>
<a name="321" href="#321">321</a> <em class="jxr_javadoccomment">     * @return the annotation if found, &lt;code&gt;null&lt;/code&gt; otherwise.</em>
<a name="322" href="#322">322</a> <em class="jxr_javadoccomment">     */</em>
<a name="323" href="#323">323</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> Annotation findAnnotation(Method method, Class&lt;? <strong class="jxr_keyword">extends</strong> Annotation&gt; target) {
<a name="324" href="#324">324</a>         <strong class="jxr_keyword">for</strong>(Annotation annotation : method.getAnnotations()) {
<a name="325" href="#325">325</a>             <strong class="jxr_keyword">if</strong>(annotation.annotationType().equals(target)) {
<a name="326" href="#326">326</a>                 <strong class="jxr_keyword">return</strong> annotation;
<a name="327" href="#327">327</a>             }
<a name="328" href="#328">328</a>         }
<a name="329" href="#329">329</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a name="330" href="#330">330</a>     }
<a name="331" href="#331">331</a> 
<a name="332" href="#332">332</a>     <em class="jxr_javadoccomment">/**</em>
<a name="333" href="#333">333</a> <em class="jxr_javadoccomment">     * Finds a specific annotation in a class.</em>
<a name="334" href="#334">334</a> <em class="jxr_javadoccomment">     *</em>
<a name="335" href="#335">335</a> <em class="jxr_javadoccomment">     * @param clazz</em>
<a name="336" href="#336">336</a> <em class="jxr_javadoccomment">     * @param target</em>
<a name="337" href="#337">337</a> <em class="jxr_javadoccomment">     * @return the annotation if found, &lt;code&gt;null&lt;/code&gt; otherwise.</em>
<a name="338" href="#338">338</a> <em class="jxr_javadoccomment">     */</em>
<a name="339" href="#339">339</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> Annotation findAnnotation(Class clazz, Class&lt;? <strong class="jxr_keyword">extends</strong> Annotation&gt; target) {
<a name="340" href="#340">340</a>         <strong class="jxr_keyword">for</strong>(Annotation annotation : clazz.getAnnotations()) {
<a name="341" href="#341">341</a>             <strong class="jxr_keyword">if</strong>(annotation.annotationType().equals(target)) {
<a name="342" href="#342">342</a>                 <strong class="jxr_keyword">return</strong> annotation;
<a name="343" href="#343">343</a>             }
<a name="344" href="#344">344</a>         }
<a name="345" href="#345">345</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a name="346" href="#346">346</a>     }
<a name="347" href="#347">347</a> 
<a name="348" href="#348">348</a>     <em class="jxr_javadoccomment">/**</em>
<a name="349" href="#349">349</a> <em class="jxr_javadoccomment">     * Finds the property string possibly defined for a method.</em>
<a name="350" href="#350">350</a> <em class="jxr_javadoccomment">     *</em>
<a name="351" href="#351">351</a> <em class="jxr_javadoccomment">     * @param method</em>
<a name="352" href="#352">352</a> <em class="jxr_javadoccomment">     * @return the property string.</em>
<a name="353" href="#353">353</a> <em class="jxr_javadoccomment">     * @throws java.net.MalformedURLException if the property string is not an URL.</em>
<a name="354" href="#354">354</a> <em class="jxr_javadoccomment">     */</em>
<a name="355" href="#355">355</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> String findPropertyAnnotation(Method method) {
<a name="356" href="#356">356</a>         <a href="../../../../org/sindice/rdfcommons/beanmapper/annotations/Property.html">Property</a> property = (Property) findAnnotation(method, Property.<strong class="jxr_keyword">class</strong>);
<a name="357" href="#357">357</a>         <strong class="jxr_keyword">if</strong>(property == <strong class="jxr_keyword">null</strong>) {
<a name="358" href="#358">358</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a name="359" href="#359">359</a>         }
<a name="360" href="#360">360</a>         <strong class="jxr_keyword">try</strong> {
<a name="361" href="#361">361</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> URL( property.value() ).toString();
<a name="362" href="#362">362</a>         } <strong class="jxr_keyword">catch</strong> (MalformedURLException murle) {
<a name="363" href="#363">363</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> RuntimeException(
<a name="364" href="#364">364</a>                     String.format(
<a name="365" href="#365">365</a>                         <span class="jxr_string">"Invalid annotation for method %s, the %s annotation value must be a valid URL."</span>,
<a name="366" href="#366">366</a>                         method,
<a name="367" href="#367">367</a>                         Property.<strong class="jxr_keyword">class</strong>
<a name="368" href="#368">368</a>                     )
<a name="369" href="#369">369</a>             );
<a name="370" href="#370">370</a>         }
<a name="371" href="#371">371</a>     }
<a name="372" href="#372">372</a> 
<a name="373" href="#373">373</a>     <em class="jxr_javadoccomment">/**</em>
<a name="374" href="#374">374</a> <em class="jxr_javadoccomment">     * Finds the type possibly defined for a class.</em>
<a name="375" href="#375">375</a> <em class="jxr_javadoccomment">     *</em>
<a name="376" href="#376">376</a> <em class="jxr_javadoccomment">     * @param clazz</em>
<a name="377" href="#377">377</a> <em class="jxr_javadoccomment">     * @return the property string.</em>
<a name="378" href="#378">378</a> <em class="jxr_javadoccomment">     * @throws MalformedURLException if the type string is not an URL.</em>
<a name="379" href="#379">379</a> <em class="jxr_javadoccomment">     */</em>
<a name="380" href="#380">380</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> String findSubjectAnnotation(Class clazz) {
<a name="381" href="#381">381</a>         <a href="../../../../org/sindice/rdfcommons/beanmapper/annotations/Type.html">Type</a> type = (Type) findAnnotation(clazz, Type.<strong class="jxr_keyword">class</strong>);
<a name="382" href="#382">382</a>         <strong class="jxr_keyword">if</strong>(type == <strong class="jxr_keyword">null</strong>) {
<a name="383" href="#383">383</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a name="384" href="#384">384</a>         }
<a name="385" href="#385">385</a>         <strong class="jxr_keyword">try</strong> {
<a name="386" href="#386">386</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> URL( type.value() ).toString();
<a name="387" href="#387">387</a>         } <strong class="jxr_keyword">catch</strong> (MalformedURLException murle) {
<a name="388" href="#388">388</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> RuntimeException(
<a name="389" href="#389">389</a>                     String.format(
<a name="390" href="#390">390</a>                         <span class="jxr_string">"Invalid annotation for class %s, the %s annotation value must be a valid URL."</span>,
<a name="391" href="#391">391</a>                         clazz,
<a name="392" href="#392">392</a>                         Type.<strong class="jxr_keyword">class</strong>
<a name="393" href="#393">393</a>                     )
<a name="394" href="#394">394</a>             );
<a name="395" href="#395">395</a>         }
<a name="396" href="#396">396</a>     }
<a name="397" href="#397">397</a> 
<a name="398" href="#398">398</a>     <em class="jxr_javadoccomment">/**</em>
<a name="399" href="#399">399</a> <em class="jxr_javadoccomment">     * Finds the namespace string possibly defined for a class.</em>
<a name="400" href="#400">400</a> <em class="jxr_javadoccomment">     *</em>
<a name="401" href="#401">401</a> <em class="jxr_javadoccomment">     * @param clazz</em>
<a name="402" href="#402">402</a> <em class="jxr_javadoccomment">     * @return the property string.</em>
<a name="403" href="#403">403</a> <em class="jxr_javadoccomment">     * @throws MalformedURLException if the subject string is not an URL.</em>
<a name="404" href="#404">404</a> <em class="jxr_javadoccomment">     */</em>
<a name="405" href="#405">405</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> String findNamespaceAnnotation(Class clazz) {
<a name="406" href="#406">406</a>         <a href="../../../../org/sindice/rdfcommons/beanmapper/annotations/Namespace.html">Namespace</a> namespace = (Namespace) findAnnotation(clazz, Namespace.<strong class="jxr_keyword">class</strong>);
<a name="407" href="#407">407</a>         <strong class="jxr_keyword">if</strong>(namespace == <strong class="jxr_keyword">null</strong>) {
<a name="408" href="#408">408</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a name="409" href="#409">409</a>         }
<a name="410" href="#410">410</a>         <strong class="jxr_keyword">try</strong> {
<a name="411" href="#411">411</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> URL( namespace.value() ).toString();
<a name="412" href="#412">412</a>         } <strong class="jxr_keyword">catch</strong> (MalformedURLException murle) {
<a name="413" href="#413">413</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> RuntimeException(
<a name="414" href="#414">414</a>                     String.format(
<a name="415" href="#415">415</a>                         <span class="jxr_string">"Invalid annotation for class %s, the %s annotation value must be a valid URL."</span>,
<a name="416" href="#416">416</a>                         clazz,
<a name="417" href="#417">417</a>                         Namespace.<strong class="jxr_keyword">class</strong>
<a name="418" href="#418">418</a>                     )
<a name="419" href="#419">419</a>             );
<a name="420" href="#420">420</a>         }
<a name="421" href="#421">421</a>     }
<a name="422" href="#422">422</a> 
<a name="423" href="#423">423</a> }
</pre>
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